Deep-sea submersibles have been diving for decades, but records show that we have still only explored a tiny area of the deep ...

New high-resolution satellite map reveals nearly 100,000 unknown ocean mountains, or seamounts, boosting climate and maritime ...

This 2018 satellite photo shows an unknown substance swirling across the Gulf of Gdańsk in Poland. Scientists were shocked to ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

"As you take in a beautiful view of the ocean, do you think of sound?" writes columnist Lisa Wooninck. "There is a lot of it ...

A panel of researchers talks about how undersea imaging has improved since the discovery of the wreck of the Titanic in 1985.